extent of damage造句

1、The extent of damage to the coastal and marine resources has yet to be comprehensively evaluated.
海啸对沿海和海洋资源造成的损害程度仍然有待全面评估。

2、The extent of damage is not yet known.
损坏程度尚未查清。

3、Extent of damage unknown.
损坏程度不详。